Julie Rubinstein Insider Trading Activity

Corporate InsiderCOO · CIK 1780664

Total trades

$15.2M

Total volume

Oct 16, 2026

Last activity

ADPT

Adaptive Biotechnologies Corp

Julie Rubinstein has been net-selling over the last 12 months with 0 purchases and 58 sales across 1 company.

ADPT is the most-traded position with 58 trades. The largest single transaction was a sale of ADPT for $1.6M on Mar 11, 2026.

Performance Scorecard

Forward stock performance after each transaction by Julie Rubinstein. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	+0.8%	51%	47
90 days	—	-39.8%	6%	47
120 days	—	-66.1%	0%	47

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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ADPT · Adaptive Biotechnologies Corp

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Recent Trades

Showing the 50 most recent of 58 disclosed trades.

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Oct 16, 2026	ADPT	Sell	300	$25.45	$8K	−0.1%	COO
Oct 16, 2026	ADPT	Sell	11,581	$24.21	$280K	−3.0%	COO
Oct 15, 2026	ADPT	Sell	11,881	$25.61	$304K	−3.0%	COO
Oct 14, 2026	ADPT	Sell	6,781	$25.57	$173K	−1.7%	COO
Oct 14, 2026	ADPT	Sell	5,100	$25.82	$132K	−1.3%	COO
Oct 8, 2026	ADPT	Sell	11,881	$25.66	$305K	−3.0%	COO
Oct 7, 2026	ADPT	Sell	11,881	$26.40	$314K	−3.0%	COO
Oct 6, 2026	ADPT	Sell	9,381	$27.36	$257K	−2.4%	COO
Oct 6, 2026	ADPT	Sell	1,100	$28.21	$31K	−0.3%	COO
Oct 6, 2026	ADPT	Sell	901	$29.71	$27K	−0.2%	COO
Oct 6, 2026	ADPT	Sell	499	$30.53	$15K	−0.1%	COO
Apr 27, 2026	ADPT	Sell	19,037	$14.23	$271K	−4.8%	COO
Apr 24, 2026	ADPT	Sell	19,060	$14.02	$267K	−4.8%	COO
Apr 23, 2026	ADPT	Sell	19,060	$13.74	$262K	−4.7%	COO
Apr 22, 2026	ADPT	Sell	19,060	$14.13	$269K	−4.7%	COO
Apr 21, 2026	ADPT	Sell	30,941	$14.66	$454K	−7.3%	COO
Apr 20, 2026	ADPT	Sell	19,060	$14.55	$277K	−4.6%	COO
Apr 17, 2026	ADPT	Sell	19,060	$14.57	$278K	−4.5%	COO
Apr 16, 2026	ADPT	Sell	19,060	$14.18	$270K	−4.5%	COO
Apr 15, 2026	ADPT	Sell	19,060	$14.61	$278K	−4.4%	COO
Apr 14, 2026	ADPT	Sell	19,060	$14.56	$278K	−4.4%	COO
Apr 13, 2026	ADPT	Sell	3,338	$14.08	$47K	−0.8%	COO
Apr 13, 2026	ADPT	Sell	15,722	$12.95	$204K	−3.6%	COO
Apr 10, 2026	ADPT	Sell	18,660	$12.75	$238K	−4.2%	COO
Apr 10, 2026	ADPT	Sell	400	$13.48	$5K	−0.1%	COO
Apr 9, 2026	ADPT	Sell	16,960	$13.79	$234K	−3.8%	COO
Apr 9, 2026	ADPT	Sell	2,100	$14.44	$30K	−0.5%	COO
Apr 8, 2026	ADPT	Sell	30,841	$14.83	$457K	−6.6%	COO
Apr 8, 2026	ADPT	Sell	100	$15.48	$2K	−0.0%	COO
Apr 7, 2026	ADPT	Sell	19,060	$13.56	$258K	−4.2%	COO
Apr 6, 2026	ADPT	Sell	19,060	$14.33	$273K	−4.1%	COO
Apr 2, 2026	ADPT	Sell	19,060	$14.60	$278K	−4.1%	COO
Apr 1, 2026	ADPT	Sell	19,060	$14.45	$275K	−4.1%	COO
Mar 31, 2026	ADPT	Sell	19,060	$13.45	$256K	−4.0%	COO
Mar 30, 2026	ADPT	Sell	19,060	$12.63	$241K	−4.0%	COO
Mar 27, 2026	ADPT	Sell	2,738	$12.49	$34K	−0.6%	COO
Mar 27, 2026	ADPT	Sell	16,322	$13.48	$220K	−3.4%	COO
Mar 26, 2026	ADPT	Sell	19,060	$14.12	$269K	−3.9%	COO
Mar 25, 2026	ADPT	Sell	19,060	$14.27	$272K	−3.9%	COO
Mar 24, 2026	ADPT	Sell	19,060	$13.70	$261K	−3.8%	COO
Mar 23, 2026	ADPT	Sell	19,060	$13.83	$264K	−3.8%	COO
Mar 20, 2026	ADPT	Sell	19,060	$13.37	$255K	−3.8%	COO
Mar 19, 2026	ADPT	Sell	19,060	$13.18	$251K	−3.7%	COO
Mar 18, 2026	ADPT	Sell	19,060	$13.18	$251K	−3.7%	COO
Mar 17, 2026	ADPT	Sell	19,060	$13.40	$255K	−3.7%	COO
Mar 16, 2026	ADPT	Sell	19,060	$13.41	$256K	−3.6%	COO
Mar 13, 2026	ADPT	Sell	19,060	$12.96	$247K	−3.6%	COO
Mar 12, 2026	ADPT	Sell	13,660	$12.63	$173K	−2.6%	COO
Mar 12, 2026	ADPT	Sell	5,400	$13.43	$73K	−1.0%	COO
Mar 11, 2026	ADPT	Sell	122,523	$13.17	$1.6M	−19.0%	COO